<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>404 - 页面未找到</title>
    <style>
        body {
            font-family: 'Arial', sans-serif;
            background-color: #f7f7f7;
            margin: 0;
            padding: 0;
            display: flex;
            justify-content: center;
            align-items: center;
            height: 100vh;
            flex-direction: column;
        }
        h1 {
            font-size: 5em;
            color: #333;
            margin: 0;
        }
        p {
            font-size: 1.5em;
            color: #666;
            text-align: center;
            max-width: 600px;
            margin-top: 20px;
        }
        .button {
            background-color: #5cb85c;
            color: white;
            padding: 10px 20px;
            text-decoration: none;
            border-radius: 5px;
            font-size: 1em;
            cursor: pointer;
            margin-top: 30px;
        }
        .button:hover {
            background-color: #4cae4c;
        }
    </style>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8"></head>
<body>
    <h1>404</h1>
    <p>哎呀，看起来你迷路了！我们找不到你要找的页面。</p>
    <a href="/" class="button">回到首页</a>
</body>
</html>